#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#define N 6
int main() {
	int i, j, a[N][N] = { 0 };
	for (i = 0; i < N; i++) {
		a[i][0] = 1; a[i][i] = 1;
	}
	for (i = 2; i < N; i++) {
		for (j = 1; j < i; j++) {
			a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
		}
	}
	for (i = 0; i < N; i++) {
		for (j = 0; j < 2 * (N - i - 1); j++) {
			printf(" ");
		}
		for (j = 0; j <= i; j++) {
			printf("%4d", a[i][j]);
		}
		printf("\n");
	}
	return 0;
}